set_property PACKAGE_PIN J18 [get_ports {led[0]}]
set_property PACKAGE_PIN H18 [get_ports {led[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports clk]
set_property IOSTANDARD LVCMOS33 [get_ports rst_n]
set_property PACKAGE_PIN U18 [get_ports clk]
set_property PACKAGE_PIN J15 [get_ports rst_n]
